I don't care. It doesn't matter which one to use. It doesn't mean anything. You're just insecure. You don't have to dwell on this problem for long. You might as well do the two questions better. However, it should be noted that we should pay more attention to the difference between 14 and 13 test sites in the syllabus. If there are problems, we should pay attention to them with textbooks. I hope it helps you!